sysdeps/unix/sysv/linux/getclktck.c

   1 /* Copyright (C) 2000-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <time.h>
  19
  20 #include <ldsodefs.h>
  21
  22 #ifndef SYSTEM_CLK_TCK
  23 # define SYSTEM_CLK_TCK 100
  24 #endif
  25
  26 /* Return frequency of times().  */
  27 int
  28 __getclktck (void)
  29 {
  30   return GLRO(dl_clktck) ?: SYSTEM_CLK_TCK;
  31 }